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hal_unproven.rs
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hal_unproven.rs
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use core::convert::Infallible;
use std::time::Duration;
use embedded_hal::digital::{
InputPin as InputPinHal, StatefulOutputPin as StatefulOutputPinHal,
ToggleableOutputPin as ToggleableOutputPinHal,
};
use super::{InputPin, IoPin, OutputPin, Pin};
use crate::gpio::Mode;
const NANOS_PER_SEC: f64 = 1_000_000_000.0;
/// Unproven `InputPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::InputPin for Pin {
type Error = Infallible;
fn is_high(&self) -> Result<bool, Self::Error> {
InputPinHal::is_high(self)
}
fn is_low(&self) -> Result<bool, Self::Error> {
InputPinHal::is_low(self)
}
}
/// Unproven `InputPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::InputPin for InputPin {
type Error = Infallible;
fn is_high(&self) -> Result<bool, Self::Error> {
InputPinHal::is_high(self)
}
fn is_low(&self) -> Result<bool, Self::Error> {
InputPinHal::is_low(self)
}
}
/// Unproven `InputPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::InputPin for IoPin {
type Error = Infallible;
fn is_high(&self) -> Result<bool, Self::Error> {
InputPinHal::is_high(self)
}
fn is_low(&self) -> Result<bool, Self::Error> {
InputPinHal::is_low(self)
}
}
/// Unproven `InputPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::InputPin for OutputPin {
type Error = Infallible;
fn is_high(&self) -> Result<bool, Self::Error> {
InputPinHal::is_high(self)
}
fn is_low(&self) -> Result<bool, Self::Error> {
InputPinHal::is_low(self)
}
}
/// Unproven `StatefulOutputPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::StatefulOutputPin for IoPin {
fn is_set_high(&self) -> Result<bool, Self::Error> {
StatefulOutputPinHal::is_set_high(self)
}
fn is_set_low(&self) -> Result<bool, Self::Error> {
StatefulOutputPinHal::is_set_low(self)
}
}
/// Unproven `StatefulOutputPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::StatefulOutputPin for OutputPin {
fn is_set_high(&self) -> Result<bool, Self::Error> {
StatefulOutputPinHal::is_set_high(self)
}
fn is_set_low(&self) -> Result<bool, Self::Error> {
StatefulOutputPinHal::is_set_low(self)
}
}
/// Unproven `ToggleableOutputPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::ToggleableOutputPin for IoPin {
type Error = Infallible;
fn toggle(&mut self) -> Result<(), Self::Error> {
ToggleableOutputPinHal::toggle(self)
}
}
/// Unproven `ToggleableOutputPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::ToggleableOutputPin for OutputPin {
type Error = Infallible;
fn toggle(&mut self) -> Result<(), Self::Error> {
ToggleableOutputPinHal::toggle(self)
}
}
/// Unproven `Pwm` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::Pwm for OutputPin {
type Duty = f64;
type Channel = ();
type Time = Duration;
/// Disables a PWM `channel`.
fn disable(&mut self, _channel: Self::Channel) {
let _ = self.clear_pwm();
}
/// Enables a PWM `channel`.
fn enable(&mut self, _channel: Self::Channel) {
let _ = self.set_pwm_frequency(self.frequency, self.duty_cycle);
}
/// Returns the current PWM period.
fn get_period(&self) -> Self::Time {
Duration::from_nanos(if self.frequency == 0.0 {
0
} else {
((1.0 / self.frequency) * NANOS_PER_SEC) as u64
})
}
/// Returns the current duty cycle.
fn get_duty(&self, _channel: Self::Channel) -> Self::Duty {
self.duty_cycle
}
/// Returns the maximum duty cycle value.
fn get_max_duty(&self) -> Self::Duty {
1.0
}
/// Sets a new duty cycle.
fn set_duty(&mut self, _channel: Self::Channel, duty: Self::Duty) {
self.duty_cycle = duty.max(0.0).min(1.0);
if self.soft_pwm.is_some() {
let _ = self.set_pwm_frequency(self.frequency, self.duty_cycle);
}
}
/// Sets a new PWM period.
fn set_period<P>(&mut self, period: P)
where
P: Into<Self::Time>,
{
let period = period.into();
self.frequency =
1.0 / (period.as_secs() as f64 + (f64::from(period.subsec_nanos()) / NANOS_PER_SEC));
if self.soft_pwm.is_some() {
let _ = self.set_pwm_frequency(self.frequency, self.duty_cycle);
}
}
}
/// Unproven `Pwm` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::Pwm for IoPin {
type Duty = f64;
type Channel = ();
type Time = Duration;
/// Disables a PWM `channel`.
fn disable(&mut self, _channel: Self::Channel) {
let _ = self.clear_pwm();
}
/// Enables a PWM `channel`.
fn enable(&mut self, _channel: Self::Channel) {
let _ = self.set_pwm_frequency(self.frequency, self.duty_cycle);
}
/// Returns the current PWM period.
fn get_period(&self) -> Self::Time {
Duration::from_nanos(if self.frequency == 0.0 {
0
} else {
((1.0 / self.frequency) * NANOS_PER_SEC) as u64
})
}
/// Returns the current duty cycle.
fn get_duty(&self, _channel: Self::Channel) -> Self::Duty {
self.duty_cycle
}
/// Returns the maximum duty cycle value.
fn get_max_duty(&self) -> Self::Duty {
1.0
}
/// Sets a new duty cycle.
fn set_duty(&mut self, _channel: Self::Channel, duty: Self::Duty) {
self.duty_cycle = duty.max(0.0).min(1.0);
if self.soft_pwm.is_some() {
let _ = self.set_pwm_frequency(self.frequency, self.duty_cycle);
}
}
/// Sets a new PWM period.
fn set_period<P>(&mut self, period: P)
where
P: Into<Self::Time>,
{
let period = period.into();
self.frequency =
1.0 / (period.as_secs() as f64 + (f64::from(period.subsec_nanos()) / NANOS_PER_SEC));
if self.soft_pwm.is_some() {
let _ = self.set_pwm_frequency(self.frequency, self.duty_cycle);
}
}
}
/// Unproven `IoPin` trait implementation for `embedded-hal` v0.2.7.
impl embedded_hal_0::digital::v2::IoPin<IoPin, IoPin> for IoPin {
type Error = Infallible;
/// Tries to convert this pin to input mode.
///
/// If the pin is already in input mode, this method should succeed.
fn into_input_pin(mut self) -> Result<IoPin, Self::Error> {
if self.mode() != Mode::Input {
self.set_mode(Mode::Input);
}
Ok(self)
}
/// Tries to convert this pin to output mode with the given initial state.
///
/// If the pin is already in the requested state, this method should
/// succeed.
fn into_output_pin(
mut self,
state: embedded_hal_0::digital::v2::PinState,
) -> Result<IoPin, Self::Error> {
match state {
embedded_hal_0::digital::v2::PinState::Low => self.set_low(),
embedded_hal_0::digital::v2::PinState::High => self.set_high(),
}
if self.mode() != Mode::Output {
self.set_mode(Mode::Output);
}
Ok(self)
}
}